/*
 * Copyright 2019 Flipkart Internet Pvt. Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.flipkart.ohos.proteus.view.custom;

import ohos.agp.components.AttrSet;
import ohos.agp.components.Component;
import ohos.agp.components.StackLayout;
import ohos.app.Context;

/**
 * Created by kiran.kumar on 13/05/14.
 */
public class AspectRatioStackLayout extends StackLayout {
    private int mAspectRatioWidth;
    private int mAspectRatioHeight;

    public AspectRatioStackLayout(Context context) {
        super(context);
    }

    public AspectRatioStackLayout(Context context, AttrSet attrs) {
        super(context, attrs);
    }

    public AspectRatioStackLayout(Context context, AttrSet attrs, String defStyle) {
        super(context, attrs, defStyle);
    }

    Component.EstimateSizeListener estimateSizeListener = new EstimateSizeListener() {
        @Override
        public boolean onEstimateSize(int i, int i1) {
            if (mAspectRatioHeight > 0 && mAspectRatioWidth > 0) {
                int originalWidth = getEstimatedWidth();
                int originalHeight = getEstimatedHeight();
                int finalWidth, finalHeight;
                if (originalHeight == 0) {
                    finalHeight = originalWidth * mAspectRatioHeight / mAspectRatioWidth;
                    finalWidth = originalWidth;
                } else if (originalWidth == 0) {
                    finalWidth = originalHeight * mAspectRatioWidth / mAspectRatioHeight;
                    finalHeight = originalHeight;
                } else {
                    finalHeight = originalHeight;
                    finalWidth = originalWidth;
                }
                onEstimateSize(
                    EstimateSpec.getSizeWithMode(finalWidth, EstimateSpec.PRECISE),
                    EstimateSpec.getSizeWithMode(finalHeight, EstimateSpec.PRECISE));
            } else {
                onEstimateSize(i, i1);
            }
            return false;
        }
    };

    @Override
    public void setEstimateSizeListener(EstimateSizeListener estimateSizeListener) {
        this.estimateSizeListener = estimateSizeListener;
    }

    public void setAspectRatioWidth(int mAspectRatioWidth) {
        this.mAspectRatioWidth = mAspectRatioWidth;
    }

    public void setAspectRatioHeight(int mAspectRatioHeight) {
        this.mAspectRatioHeight = mAspectRatioHeight;
    }
}
